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Weather & Climate in San Agustín Acasaguastlán, Guatemala
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Agustín Acasaguastlán has a warm climate with an average annual temperature of 77°F (25°C). Winters average 74°F in January while summers reach 78°F in July / relatively mild seasonal variation. The area gets 255 sunny days per year, above the national average. Annual precipitation totals 44.8 inches. The city sits at an elevation of 994 feet.
Temperature
74°F Jan (24°C)
78°F Jul (26°C)
| Annual Average | 77.4°F |
| 43% above US avg | |
| January Average | 74°F (24°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 255 days/yr |
Geography
| Elevation | 994 ft (303 m) |
| Area | 185.9 sq mi (481.4 km²) |
| Population Density | 56/sq mi |
| Coordinates | 14.9450°N, 89.9697°W |
| Timezone | America/Guatemala |
Precipitation & Snow
Air Quality
Earthquake History
546 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.4.
| May 17, 2023 | 8 km SE of Canillá, Guatemala | M6.4 | 92 km | 252 km |
| Jun 6, 1999 | 6 km ESE of Puerto San José, Guatemala | M6.3 | 145 km | 33 km |
| May 3, 2009 | 5 km S of San Lucas Tolimán, Guatemala | M6.3 | 134 km | 108 km |
| Sep 18, 1991 | 4 km SE of Patzún, Guatemala | M6.2 | 114 km | 5 km |
| Jul 21, 2024 | 6 km E of Jalapa, Guatemala | M6.2 | 34 km | 272 km |
| Mar 25, 2013 | 3 km NW of Fraijanes, Guatemala | M6.2 | 74 km | 189 km |
| Dec 22, 1997 | 28 km SSW of Pasaco, Guatemala | M6.1 | 139 km | 59 km |
| Jan 27, 2024 | 15 km W of Taxisco, Guatemala | M6.1 | 120 km | 90 km |
| Sep 12, 1993 | 27 km S of Taxisco, Guatemala | M6.0 | 134 km | 68 km |
| Jan 23, 2001 | 13 km NW of Puerto San José, Guatemala | M5.9 | 144 km | 64 km |
| Jan 18, 2010 | 17 km SW of San Francisco Menéndez, El Salvador | M5.9 | 136 km | 55 km |
| Dec 12, 1999 | 0 km SSW of Sololá, Guatemala | M5.8 | 132 km | 158 km |
| Aug 22, 1993 | Guatemala | M5.8 | 111 km | 108 km |
| Jul 8, 2025 | 3 km SSW of Amatitlán, Guatemala | M5.7 | 91 km | 10 km |
| May 3, 2004 | 4 km SSW of Santa María de Jesús, Guatemala | M5.7 | 98 km | 125 km |
| Jun 27, 2012 | 5 km E of San Francisco Menéndez, El Salvador | M5.7 | 124 km | 133 km |
| Jun 18, 2018 | 12 km SW of Guanagazapa, Guatemala | M5.7 | 121 km | 99 km |
| Jul 29, 2025 | 6 km SE of Comapa, Guatemala | M5.7 | 98 km | 10 km |
| Sep 19, 2011 | 3 km E of Santa María Ixhuatán, Guatemala | M5.6 | 89 km | 9 km |
| Nov 11, 1993 | 28 km S of Taxisco, Guatemala | M5.6 | 136 km | 71 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Nana | Category 1 | 75 mph | 273 km |
| 2016 | Earl | Category 1 | 86 mph | 296 km |
| 2010 | Richard | Category 2 | 98 mph | 285 km |
| 2005 | Adrian | Category 1 | 81 mph | 274 km |
| 2001 | Iris | Category 4 | 144 mph | 195 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2005 | LAGO DE ATITLAN | Meteorological | 4.0 m | — | 141 km |
| 1976 | GUATEMALA | Earthquake | 0.1 m | 23,000 | 102 km |
| 1859 | EL SALVADOR | Earthquake | — | — | 140 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Chiquimula Volcanic Field (47 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chiquimula Volcanic Field | Pyroclastic cone(s) | 1,192 m (3,911 ft) | Unknown | 47 km |
| Ipala | Stratovolcano | 1,650 m (5,413 ft) | Unknown | 57 km |
| Tahual | Stratovolcano | 1,716 m (5,630 ft) | Unknown | 58 km |
| Suchitan | Stratovolcano(es) | 2,042 m (6,699 ft) | Unknown | 64 km |
| Ixtepeque | Lava dome(s) | 1,292 m (4,239 ft) | Unknown | 66 km |
| Santiago, Cerro | Volcanic field | 1,192 m (3,911 ft) | Unknown | 69 km |
| Flores | Volcanic field | 1,600 m (5,249 ft) | Unknown | 71 km |
| Cuilapa-Barbarena | Volcanic field | 1,454 m (4,770 ft) | Unknown | 83 km |
| San Diego | Volcanic field | 781 m (2,562 ft) | Unknown | 92 km |
| Pacaya | Complex | 2,569 m (8,428 ft) | 2020 | 92 km |
| Chingo | Stratovolcano | 1,775 m (5,823 ft) | Unknown | 95 km |
| Agua | Stratovolcano | 3,760 m (12,336 ft) | Unknown | 99 km |
| Tecuamburro | Stratovolcano | 1,845 m (6,053 ft) | -960 | 100 km |
| Moyuta | Stratovolcano | 1,662 m (5,453 ft) | Unknown | 103 km |
| Singuil, Cerro | Pyroclastic cone(s) | 926 m (3,038 ft) | Unknown | 106 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (24°C) | 0.2 in | Coldest, Driest |
| February | 76°F (24°C) | 0.5 in | |
| March | 79°F (26°C) | 0.3 in | |
| April | 81°F (27°C) | 1.7 in | Warmest |
| May | 80°F (27°C) | 3.7 in | |
| June | 79°F (26°C) | 9.0 in | |
| July | 78°F (26°C) | 7.1 in | |
| August | 79°F (26°C) | 7.0 in | |
| September | 78°F (25°C) | 9.2 in | Wettest |
| October | 77°F (25°C) | 4.3 in | |
| November | 76°F (24°C) | 1.5 in | |
| December | 75°F (24°C) | 0.5 in |
San Agustín Acasaguastlán has a seasonal temperature swing of 6°F / from 74°F in January to 81°F in April. Total annual precipitation is 44.8 inches, with September being the wettest month (9.2") and January the driest (0.2").